12 Inch Stroke 330 lbs DC 12 Volt Linear Actuator Material: Aluminum alloy Input Voltage: 12V DC Speed:10mm/s = 0.39inch/s Stroke Length: 300mm/12 inch Load capacity: 750N Pack#12INCH-12V-LINEAR-ACTUATOR Quantity: One Actuator Pack#12INCH-12V-LINEAR-ACTUATOR.
eBay